78884865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 144892800

約数和(自身を除く): 66007935

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 257, 285, 359, 771, 855, 1077, 1285, 1795, 2313, 3231, 3855, 4883, 5385, 6821, 11565, 14649, 16155, 20463, 24415, 34105, 43947, 61389, 73245, 92263, 102315, 219735, 276789, 306945, 461315, 830367, 1383945, 1752997, 4151835, 5258991, 8764985, 15776973, 26294955, 78884865]

約数ペア:

[(1, 78884865), (3, 26294955), (5, 15776973), (9, 8764985), (15, 5258991), (19, 4151835), (45, 1752997), (57, 1383945), (95, 830367), (171, 461315), (257, 306945), (285, 276789), (359, 219735), (771, 102315), (855, 92263), (1077, 73245), (1285, 61389), (1795, 43947), (2313, 34105), (3231, 24415), (3855, 20463), (4883, 16155), (5385, 14649), (6821, 11565)]